UPMSP - 8 - Science :: Light and Optical Devices

Go To: UPMSP-Sci-Grade 8

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Course content
Textbook
Teaching learning resources

Course Content / Subtopic list:

Refraction
Causes of refraction - change of speed results in change in direction
Laws of refraction of light
Refractive index
Refraction of light in real life - twinkling of stars , visibility of sun before sunrise and after sunset , pencil look bent in water , rising of the coin above the surface in water
Applications of refraction of light
Spherical lenses - convex and concave lenses
Important terms related to spherical lenses
Rules of ray diagram for representation of images formed
Image formation by spherical lenses microscope - simple and compound microscopes
Telescope
Human eye , defects of vision - shortsightedness , longsightedness , spectrum

Expected Learning Outcome:

SWBAT-

Define refraction
Explain the causes of refraction
Define refractive index
Identify various examples of refraction of light in day to day life
Define concave and convex lens
Identify and analyze various terms related to spherical lenses
Draw various ray diagrams of image formed by spherical lenses
Compare simple and compound microscope
Define shortsightedness
Explain the causes of short sightedness
Define long sightedness
Explain the causes of long sightedness , Define spectrum

Hindi Medium

Hindi Medium Textbook

Lesson Plan

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and Optical Devices Lesson Plan - (Lesson Plan - English)

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